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GE IS215ACLEH1B｜Application Control Layer Module｜
Hardware Architecture
Processor Architecture: Microprocessor + PCI controller
Cache Memory: 128 KB L2 cache
Non-Volatile Storage: Onboard flash memory
Form Factor: Standard VME board
Rack Installation: VME rack, occupying 2.5 slots
Communication Interfaces
Ethernet: 10Base-T (RJ45)
Internal Bus: ISBus
Supported Protocols: Modbus and related industrial communication protocols
Electrical & Environmental Parameters
Power Supply: 24 VDC (industrial grade)
Power Consumption: Approx. 15 W
Protection Rating: IP20 (cabinet installation required)
Operating Temperature: –10 °C to +60 °C
Weight: Approx. 0.45 kg
Functional Capabilities
Control logic execution
I/O point forcing
Online configuration loading
Fault diagnosis and system monitoring
Product Lifecycle Status
Status: Legacy / Discontinued
Spare Parts Availability: No official new parts supply; market availability limited to dismantled or refurbished units
Core Functions & Application Scenarios
Turbine Control Logic Execution
Executes closed-loop control algorithms for critical turbine parameters, including:
speed regulation
load control
temperature control
Supports turbine start/stop sequencing, safety interlocks, and Emergency Shutdown (ESD) logic to ensure safe and reliable operation.
Coordinated Excitation System Control
Fully adapted to the EX2100e excitation system, enabling:
generator excitation current regulation
reactive power control
grid synchronization and voltage stabilization
Multi-Channel Communication Management
Ethernet communication with upper-level SCADA/DCS systems
ISBus communication with Mark VI I/O modules
Supports real-time data exchange, monitoring, and remote diagnostics
I/O & Event Management
GE IS215ACLEH1B｜Application Control Layer Module｜
Provides advanced maintenance and diagnostic functions, including:
I/O point forcing
online configuration download
fault detection and diagnostics
SOE (Sequence of Events) recording for rapid fault analysis
Typical Applications
Gas and steam turbine control in power plants
Turbine-driven compressors in petrochemical facilities
Large generator excitation and voltage regulation systems
Combined-cycle power plant control systems
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By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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